10th class Chemistry chapter 13 online mcq test with answers for matric part 2 chemistry unit 13(Biochemistry)

Chemistry 10th Class English Medium Unit 13 Online Test

Sr. #	Questions	Answers Choice
1	Denaturing of protein is caused by.	Heating Changing pH Both of them None of these
2	Which is a hereditary material?	DNA RNA Protein All of them
3	Eggs oils and fats contain vitamin .	A B C D
4	The accumulation of which vitamin causes bone like deposits in the kidney.	Vitamin D Vitamin E Vitamin B Vitamin A
5	Synthesis of protein is directed by.	DNA RNA Both of them None of them
6	^{RNA consists of}	Ribos Pentose Hexose Trioses
7	DNA was discovered by	J .Watson Funk Robert brown Hopkins
8	Nucleic acids made up of long chain of.	Nucleotide Fatty acids Amino acid None of them
9	Ethyl butanoate smells like.	Apple Pine apple Lemon Melon
10	Methyl butanoate smell like.	Apple Mange Lemon Grapes
11	Smell of rancid butter is due to the presence of.	Propanoic acid Butanoic acid Acitic acid Citric acid
12	Runcid butter has	Foul smell Rotten egg smell Pungent smell No smell